package com.atguigu.lease.web.admin.custom.interceptor;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token = request.getHeader("access_token");
        //判断是否携带了token
        //if(token ==null || !token.startsWith("Bearer ")){
        if(token ==null){
            throw new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
        }else{
            //表示当前请求携带了token，直接放行
            Claims claims = JwtUtil.parseToken(token);
            Long userId = claims.get("UserId", Long.class);
            String username = claims.get("username", String.class);
            LoginUser loginUser = new LoginUser(userId, username);
            LoginUserContext.setLoginUser(userId,username);
            return true;


        }

    }
}
